A marketing manager for Country Kitchen Corporation (CKC), which sells snack food product \"Nature -Bar\" in...

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The regression equation is Sales = 177.7012 - 3.5446 * Csales

Hypotheses: Î²1 = 0 versus Ha: Î²1 â‰ 0

Critical t- score (Î± = 0.02, Df = 13) = Â± 2.6503

p- value = 0.0128

Since 0.0128 < 0.02, we reject Ho

Conclusion: Sales is significantly affected by Csales.

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Region	Sales	Advertising	Promotions	Csales
Selkirk	101.8	1.3	0.2	20.4	Csales=main competitor's sales
Susquehanna	44.4	0.7	0.2	30.5	Sales=sales of company's Nature -Bar
Kittery	108.3	1.4	0.3	24.6
Acton	85.1	0.5	0.4	19.6
Finger Lakes	77.1	0.5	0.6	25.5
Berkshires	158.7	1.9	0.4	21.7
Central	180.4	1.2	1	6.8	all variables are in millions of dollars
Providence	64.2	0.4	0.4	12.6
Nashua	74.6	0.6	0.5	31.3
Dunster	143.4	1.3	0.6	18.6
Endicott	120.6	1.6	0.8	19.9
Five-Towns	69.7	1	0.3	25.6
Waldeboro	67.8	0.8	0.2	27.4
Jackson	106.7	0.6	0.5	24.3
Stowe	119.6	1.1	0.3	13.7

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